Straight-in non precision instrument approach procedures visual descent point (VDP). 

 - [Washington, D.C.,  1976]. 
 - v. 
<br/><br/> 7/7/76.  CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Instrument landing systems.
<br/><br/><label>Gov. Doc. Class. No.: </label>TD 4.8/5:90-70